Free Grade 5 Reading Comprehension Passages & Answers

The Great Pyramid of Giza is one of the most famous ancient structures in the world. Built over 4,500 years ago in Egypt, it was constructed as a massive tomb for Pharaoh Khufu. For centuries, a popular historical misconception was that the pyramids were built by enslaved people. However, modern archaeologists have uncovered evidence proving that the builders were actually highly skilled, well-fed Egyptian laborers who were respected for their work. They used simple tools, ramps, and incredible mathematical precision to stack over two million giant limestone blocks, creating a monument that has survived for millennia.

The ocean is incredibly deep, and scientists divide it into different layers based on how much sunlight reaches them. The top layer is the Sunlight Zone, where most marine life lives. Far below that is the Midnight Zone. It is pitch black, freezing cold, and the water pressure is strong enough to crush a submarine! Because there is no sunlight, many creatures here have evolved a special ability called bioluminescence. This means they can produce their own light through a chemical reaction in their bodies. The anglerfish, for example, uses a glowing lure attached to its head to attract unsuspecting prey in the darkness.

Elara wiped the grease from her forehead and stared at the giant brass gears. The town’s mechanical clocktower had not chimed in fifty years, but Elara was determined to fix it. She carefully climbed the wooden ladder, carrying her grandfather’s old toolbox. As she reached behind the main pendulum to oil a rusted cog, her fingers brushed against a small wooden panel that felt loose. She pressed it, and the panel popped open, revealing a hidden compartment. Inside sat a pristine, silver pocket watch and a rolled-up note. The note read: “To whoever finds this, the true heart of the clock is not the gears, but the balance.”

In the late 1880s, two brilliant inventors were locked in a fierce battle to decide how electricity would be delivered to homes across America. This rivalry was known as the “War of the Currents.” Thomas Edison championed Direct Current (DC), which was safe but could only travel short distances. On the other side, Nikola Tesla and his business partner, George Westinghouse, promoted Alternating Current (AC). Alternating Current could have its voltage stepped up to travel hundreds of miles, and then stepped back down to safely enter a house. Because it was far more efficient for long-distance travel, Tesla’s AC power eventually won the war and still powers our homes today.

Animals must hunt or forage for their food, but plants have the incredible ability to make their own meals using a process called photosynthesis. To do this, a plant needs sunlight, water from the soil, and a gas from the air called carbon dioxide. Inside the plant’s leaves is a green pigment called chlorophyll, which acts like a solar panel to trap the sunlight. The plant uses this solar energy to mix the water and carbon dioxide together, creating a sugary food called glucose. As a helpful bonus for humans, the plant releases oxygen back into the air during this process!